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-6n+21=6n-2
We simplify the equation to the form, which is simple to understand
-6n+21=6n-2
We move all terms containing n to the left and all other terms to the right.
-6n-6n=-2-21
We simplify left and right side of the equation.
-12n=-23
We divide both sides of the equation by -12 to get n.
n=1.91666666667
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